GB0402007D0 - Acoustic devices and fluid-gauging - Google Patents
Acoustic devices and fluid-gaugingInfo
- Publication number
- GB0402007D0 GB0402007D0 GBGB0402007.9A GB0402007A GB0402007D0 GB 0402007 D0 GB0402007 D0 GB 0402007D0 GB 0402007 A GB0402007 A GB 0402007A GB 0402007 D0 GB0402007 D0 GB 0402007D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- gauging
- fluid
- acoustic devices
- acoustic
- devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0402007.9A GB0402007D0 (en) | 2004-01-30 | 2004-01-30 | Acoustic devices and fluid-gauging |
GB0500961A GB2410645A (en) | 2004-01-30 | 2005-01-18 | Multi resonant frequency transducer for acoustic level gauging |
FR0500703A FR2868970A1 (en) | 2004-01-30 | 2005-01-24 | ACOUSTIC DEVICE, LIQUID GAUGE PROBE EQUIPPED WITH SUCH A DEVICE, AND LIQUID GAUGE SYSTEM PROVIDED WITH SUCH A PROBE |
US11/045,086 US20050166672A1 (en) | 2004-01-30 | 2005-01-31 | Acoustic devices and fluid gauging |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0402007.9A GB0402007D0 (en) | 2004-01-30 | 2004-01-30 | Acoustic devices and fluid-gauging |
Publications (1)
Publication Number | Publication Date |
---|---|
GB0402007D0 true GB0402007D0 (en) | 2004-03-03 |
Family
ID=31971708
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0402007.9A Ceased GB0402007D0 (en) | 2004-01-30 | 2004-01-30 | Acoustic devices and fluid-gauging |
GB0500961A Withdrawn GB2410645A (en) | 2004-01-30 | 2005-01-18 | Multi resonant frequency transducer for acoustic level gauging |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0500961A Withdrawn GB2410645A (en) | 2004-01-30 | 2005-01-18 | Multi resonant frequency transducer for acoustic level gauging |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050166672A1 (en) |
FR (1) | FR2868970A1 (en) |
GB (2) | GB0402007D0 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7782256B2 (en) | 1999-03-05 | 2010-08-24 | Era Systems Corporation | Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects |
US7570214B2 (en) | 1999-03-05 | 2009-08-04 | Era Systems, Inc. | Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance |
US7667647B2 (en) | 1999-03-05 | 2010-02-23 | Era Systems Corporation | Extension of aircraft tracking and positive identification from movement areas into non-movement areas |
US7777675B2 (en) | 1999-03-05 | 2010-08-17 | Era Systems Corporation | Deployable passive broadband aircraft tracking |
US7908077B2 (en) | 2003-06-10 | 2011-03-15 | Itt Manufacturing Enterprises, Inc. | Land use compatibility planning software |
US7739167B2 (en) | 1999-03-05 | 2010-06-15 | Era Systems Corporation | Automated management of airport revenues |
US7889133B2 (en) | 1999-03-05 | 2011-02-15 | Itt Manufacturing Enterprises, Inc. | Multilateration enhancements for noise and operations management |
US8446321B2 (en) | 1999-03-05 | 2013-05-21 | Omnipol A.S. | Deployable intelligence and tracking system for homeland security and search and rescue |
US7965227B2 (en) | 2006-05-08 | 2011-06-21 | Era Systems, Inc. | Aircraft tracking using low cost tagging as a discriminator |
CN107076840A (en) * | 2014-10-02 | 2017-08-18 | 美商楼氏电子有限公司 | Acoustic equipment with double MEMS devices |
US9799215B2 (en) | 2014-10-02 | 2017-10-24 | Knowles Electronics, Llc | Low power acoustic apparatus and method of operation |
WO2017089609A2 (en) * | 2015-11-26 | 2017-06-01 | Elmos Semiconductor Aktiengesellschaft | Oscillating element for a multiple resonant frequency ultrasonic transducer |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2261791A (en) * | 1939-04-29 | 1941-11-04 | Rca Corp | Piezoelectric thickness-mode quartz crystal |
US3833825A (en) * | 1973-04-11 | 1974-09-03 | Honeywell Inc | Wide-band electroacoustic transducer |
US3968680A (en) * | 1975-02-25 | 1976-07-13 | Alexeli Kharitonovich Vopilkin | Wide-band ultrasonic transducer and its uses |
US4350917A (en) * | 1980-06-09 | 1982-09-21 | Riverside Research Institute | Frequency-controlled scanning of ultrasonic beams |
FR2614747B1 (en) * | 1987-04-28 | 1989-07-28 | Dory Jacques | ELASTIC PULSE GENERATOR HAVING A PREDETERMINED WAVEFORM AND ITS APPLICATION TO TREATMENT OR MEDICAL DIAGNOSIS |
US5259386A (en) * | 1992-06-19 | 1993-11-09 | Advanced Cardiovascular Systems, Inc. | Flow monitor and vascular access system with continuously variable frequency control |
DE4232254A1 (en) * | 1992-07-21 | 1994-04-07 | Siemens Ag | Ultrasonic testing method for locating material defects - driving ultrasonic transducer with FM chirp signal with instantaneous frequency variation matched to transmission path transfer function |
GB9218425D0 (en) * | 1992-08-29 | 1992-10-14 | Smiths Industries Plc | Liquid-level gauging |
US5438998A (en) * | 1993-09-07 | 1995-08-08 | Acuson Corporation | Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof |
GB9520235D0 (en) * | 1995-10-04 | 1995-12-06 | Smiths Industries Plc | Fluid quantity gauging systems |
US5996407A (en) * | 1996-06-14 | 1999-12-07 | Parker-Hannifin Corporation | Multi-frequency ultrasonic liquid level gauging system |
SE9800189L (en) * | 1998-01-23 | 1999-07-24 | Sense Ab Q | Device at a piezoelectric crystal oscillator |
US6057632A (en) * | 1998-06-09 | 2000-05-02 | Acuson Corporation | Frequency and bandwidth controlled ultrasound transducer |
GB0001746D0 (en) * | 2000-01-27 | 2000-03-15 | Smiths Industries Plc | Quantity gauging |
AU2000228235A1 (en) * | 2000-02-24 | 2001-09-03 | Nanomotion Ltd. | Resonance shifting |
GB0113611D0 (en) * | 2001-05-30 | 2001-07-25 | Smiths Industries Plc | Fluid-gauging systems and methods |
US6859116B2 (en) * | 2001-07-30 | 2005-02-22 | Kyocera Corporation | Piezoelectric resonator |
GB0123598D0 (en) * | 2001-10-02 | 2001-11-21 | Smiths Group Plc | Acoustic fluid-gauging system |
JP3445262B2 (en) * | 2001-11-22 | 2003-09-08 | 松下電器産業株式会社 | Piezoelectric body manufacturing method, piezoelectric body, ultrasonic probe, ultrasonic diagnostic apparatus, and nondestructive inspection apparatus |
JP3889351B2 (en) * | 2002-12-11 | 2007-03-07 | Tdk株式会社 | Duplexer |
-
2004
- 2004-01-30 GB GBGB0402007.9A patent/GB0402007D0/en not_active Ceased
-
2005
- 2005-01-18 GB GB0500961A patent/GB2410645A/en not_active Withdrawn
- 2005-01-24 FR FR0500703A patent/FR2868970A1/en not_active Withdrawn
- 2005-01-31 US US11/045,086 patent/US20050166672A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
GB0500961D0 (en) | 2005-02-23 |
US20050166672A1 (en) | 2005-08-04 |
FR2868970A1 (en) | 2005-10-21 |
GB2410645A (en) | 2005-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |